Question: For a real parameter a, consider the function f : R - R defined by f(a) = if a is a non-negative integer 4 f(x)

For a real parameter a, consider the function f : R

For a real parameter a, consider the function f : R - R defined by f(a) = if a is a non-negative integer 4 f(x) = 0 otherwise. Find a value of a for which this function is a probability mass function. A parameter a for which f(x) is a probability mass function is

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